Finding the Fourth Proportional to 738,873.54, 1,019,625.12 and 416,580.84
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Solution
The fourth proportional to 738,873.54, 1,019,625.12 and 416,580.84 is: 574,870.08
Step by Step Solution
- Step 1: Write the proportion equation
738,873.54 : 1,019,625.12 = 416,580.84 : x - Step 2: Convert to fraction form
738,873.54/1,019,625.12 = 416,580.84/x - Step 3: Cross multiply
738,873.54x = 1,019,625.12 × 416,580.84 - Step 4: Simplify right side
738,873.54x = 424,756,288,974.70 - Step 5: Solve for x
x = 424,756,288,974.70/738,873.54 - Step 6: Final answer
x = 574,870.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.